Home / 240,218.38-331,286.55-199,317.70

Finding the Fourth Proportional to 240,218.38, 331,286.55 and 199,317.70

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Solution

The fourth proportional to 240,218.38, 331,286.55 and 199,317.70 is: 274,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,218.38 : 331,286.55 = 199,317.70 : x
  2. Step 2: Convert to fraction form
    240,218.38/331,286.55 = 199,317.70/x
  3. Step 3: Cross multiply
    240,218.38x = 331,286.55 × 199,317.70
  4. Step 4: Simplify right side
    240,218.38x = 66,031,273,186.94
  5. Step 5: Solve for x
    x = 66,031,273,186.94/240,218.38
  6. Step 6: Final answer
    x = 274,880.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.